These types of interchanges are standard along the 2nd and 3rd ring roads in Beijing.

__________________
Confucius says:
With coarse rice to eat, with water to drink, and my bended arm for a pillow - I have still joy in the midst of these things. Riches and honors acquired by unrighteousness are to me as a floating cloud.

__________________The modern conservative is engaged in one of man's oldest exercises in moral philosophy; that is, the search for a superior moral justification for selfishness. John Kenneth GalbraithWe must always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor, never the tormented. Sometimes we must interfere.Elie Wiesel